Block Swapper

Additions:
Situationally disabled swapping, for example when under the effect of mining fatigue
Added placement sound effects for the swapped-in blocks
And the big one: Config file!!
- Swapping blacklist
- Excavating blacklist
- toggling Excavating on/off
- toggling Excavating being treasure only
- toggling Excavating appearing in villager trades
- toggling creative mode affecting swapping and excavating mechanics
- toggling mining fatigue disabling swapping

Fixes and optimizations:
Fixed tool breaking particles appearing as a missing texture
Optimized swapping prerequisite checking to run through less of the swapping code before exiting if conditions are not met
Cleaned up code for readability and lightweightedness